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Unable to send message with same internal external domain

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Unable to send message with same internal external domain - 11.Jan.2008 12:00:14 PM

jamesng

Posts: 1
Joined: 11.Jan.2008
Status: offline

Hi, previously the external domain name registered with a web/mail hoster with the name mpm.com. Users have been using webmail to access to the mail hoster. Last year, my ex-colleage has configured my internal domain name for Windows 2003 AD
exactly same as excternal domain, which is mpm.com.

Recently, I have just configured Exchange 2007 and facing some problems to send email to my user in external domain, which is not registered at Active Directory. Because this is a remote user who can only access email from webmail, as he is not registered as internal user. Everytime, when message route to this user, I receive Exchange NDR saying that this user does not exist in internal domain.

Please help on how to resolve this issue.

Thanks

Post #: 1

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RE: Unable to send message with same internal external ... - 11.Jan.2008 7:37:36 PM

Confused2

Posts: 66
Joined: 16.Nov.2007
From: Scotland
Status: offline

You can set mpm.com as an Internal Relay Domain

Organisational Configuration-Hub Transport-Accepted Domains

Then create a Send Connector with the Address Space mpm.com and route mail to your web host through their smarthost. You will have to give the connector a lower cost than your "*" connector.

http://technet.microsoft.com/en-us/library/bb676395.aspx

(in reply to jamesng)

Post #: 2